title: Nitrous oxide ... 150 years later.
authors.affiliation: Faculty of Dentistry, University of Toronto.
authors.forename: K B
authors.initials: KB
authors.lastname: Dann
mesh_terms: D000766:Anesthesia, Dental / Q000009:adverse effects / Q000266:history; D018685:Anesthetics, Inhalation / Q000009:adverse effects / Q000266:history*; D000075202:Contraindications; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects / Q000266:history*
chemical_list: D018685:Anesthetics, Inhalation; D009609:Nitrous Oxide